United Airlines
flight
UA 2251:
Multiple routes
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FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2251
Valid until 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:41, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2251
Effective 2026-02-05 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:41, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2251
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:41, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2251
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:41, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2251
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:59, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA2251
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:53, non-stop
Boeing 757-300 (753)
Boeing 757-300 (753)
Direct Flights:
United Airlines UA2251
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:51, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2251
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:15, non-stop
Airbus A320 (320)
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA2251
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:12, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
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Parallax here -
This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - Reno (RNO)
- Chicago O'Hare (ORD) - San Francisco (SFO)
- Newark Liberty, New York (EWR) - Mexico City Benito Juarez (MEX)
- San Francisco (SFO) - Reno (RNO)